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Time-dependent thermal X-ray afterglows from GRBS
Stockholm University, Faculty of Science, Department of Astronomy.
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2004 (English)In: Advances in Space Research, ISSN 0273-1177, Vol. 34, 2705-2710 p.Article in journal (Refereed) Published
Abstract [en]

Time-dependent thermal X-ray spectra are calculated from physically plausible conditions around GRB. It is shown that account for time-dependent ionization processes strongly affects the observed spectra of hot rarefied plasma. These calculations may provide an alternative explanation to the observed X-ray lines of early GRBs afterglows (such as GRB 011211). Our technique will allow one to obtain independent constraints on the GRB collimation angle and on the clumpiness of circumstellar matter.

Place, publisher, year, edition, pages
2004. Vol. 34, 2705-2710 p.
Research subject
Astronomy
Identifiers
URN: urn:nbn:se:su:diva-30967DOI: 10.1016/j.asr.2003.01.040OAI: oai:DiVA.org:su-30967DiVA: diva2:274797
Available from: 2009-11-01 Created: 2009-11-01 Last updated: 2011-02-15Bibliographically approved

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